Home / 664,362,082.40-996,543,123.60-204,240,464.60

Finding the Fourth Proportional to 664,362,082.40, 996,543,123.60 and 204,240,464.60

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Solution

The fourth proportional to 664,362,082.40, 996,543,123.60 and 204,240,464.60 is: 306,360,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,362,082.40 : 996,543,123.60 = 204,240,464.60 : x
  2. Step 2: Convert to fraction form
    664,362,082.40/996,543,123.60 = 204,240,464.60/x
  3. Step 3: Cross multiply
    664,362,082.40x = 996,543,123.60 × 204,240,464.60
  4. Step 4: Simplify right side
    664,362,082.40x = 203,534,430,557,999,232
  5. Step 5: Solve for x
    x = 203,534,430,557,999,232/664,362,082.40
  6. Step 6: Final answer
    x = 306,360,696.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.